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Title:
DATABASE SYSTEM AND METHOD FOR COMPILING SERIAL AND PARALLEL DATABASE QUERY EXECUTION PLANS
Document Type and Number:
WIPO Patent Application WO/2018/108000
Kind Code:
A1
Abstract:
A processing device parses a database query into a tree structure. Further, the processing device compiles a serial execution plan and a parallel execution plan for the database query, utilizing the tree structure. The processing device also identifies an amount of resources for executing the database query. The processing device selects the serial execution plan and/or the parallel execution plan, based on the identified amount of resources. To this end, the processing device executes the database query, utilizing the selected serial execution plan and/or the parallel execution plan.

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Inventors:
PEI CHUNFENG (US)
ZHANG LI (US)
Application Number:
PCT/CN2017/114649
Publication Date:
June 21, 2018
Filing Date:
December 05, 2017
Export Citation:
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Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
G06F17/30
Foreign References:
US20140114952A12014-04-24
CN102118264A2011-07-06
CN103678619A2014-03-26
CN102323946A2012-01-18
US8813054B22014-08-19
US8954419B22015-02-10
Other References:
JINGREN ZHOU ET AL.: "DATA ENGINEERING (ICDE), 2010 IEEE 26th International Conference on", March 2010, IEEE, article "Incorporating partitioning and parallel plans into the SCOPE optimizer", pages: 1060 - 1071
See also references of EP 3545435A4
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